According to bit tv, tdesigners (company Consitrans SRL who won design tender of 58.8 million lei) consider 4 route options. Design speed adapted to 140 kilometers per hour and one option include the Boureni area, from Moțca commune, and reach DN 2 which has most likely a tunnel.

https://bittv.info/detalii-in-premiera-despre-autostrada-a8-iasi-targu-neamt-iata-pe-unde-va-trece-viitoarea-ruta-ce-va-tranzita-judetul/ ;